Exhaust gas treatment catalysts
US-2018229224-A1 · Aug 16, 2018 · US
containing iron group metals, noble metals or copper
containing iron group metals, noble metals or copper · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01J29/72 |
| Official title | containing iron group metals, noble metals or copper |
| Display label | containing iron group metals, noble metals or copper |
| Total patents | 196 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 26 |
| 2016 | 14 |
| 2017 | 15 |
| 2018 | 22 |
| 2019 | 25 |
| 2020 | 24 |
| 2021 | 23 |
| 2022 | 17 |
| 2023 | 18 |
| 2024 | 6 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Molecular sieve ssz-108, its synthesis and use
US-2018201514-A1 · Jul 19, 2018 · US
Catalyst and manufacturing method of catalyst
US-2018111116-A1 · Apr 26, 2018 · US
High silica aei zeolite
US-2018093257-A1 · Apr 5, 2018 · US
Diesel oxidation catalyst with nox adsorber activity
US-2018065086-A1 · Mar 8, 2018 · US
High charge density metallophosphate molecular sieves
US-2017341065-A1 · Nov 30, 2017 · US
Mixed metal large crystal molecular sieve catalyst compositions, catalytic articles, systems and methods
US-2017333883-A1 · Nov 23, 2017 · US
Catalyst and manufacturing method of catalyst
US-2017333882-A1 · Nov 23, 2017 · US
Catalysts for treating transient NOx emissions
US-9815048-B2 · Nov 14, 2017 · US
Method of coating a substrate with a particle stabilized foam
US-2017304810-A1 · Oct 26, 2017 · US
Methods for producing crystalline microporous solids with IWV topology and compositions derived from the same
US-9782759-B2 · Oct 10, 2017 · US
Ammonia slip catalyst having platinum impregnated on high porosity substrates
US-9757718-B2 · Sep 12, 2017 · US
Transition metal-containing aluminosilicate zeolite
US-2017216826-A1 · Aug 3, 2017 · US
CATALYSTS FOR TREATING TRANSIENT NOx EMISSIONS
US-2017209857-A1 · Jul 27, 2017 · US
Oxidation catalyst for a diesel engine exhaust
US-2017106337-A1 · Apr 20, 2017 · US
Catalysts for treating transient NOx emissions
US-9616420-B2 · Apr 11, 2017 · US
Catalyst for treating exhaust gas
US-9597671-B2 · Mar 21, 2017 · US
Method of preparing an stt-type zeolite for use as a catalyst in selective catalytic reduction reactions
US-2017043294-A9 · Feb 16, 2017 · US
Method for oligomerising alkenes using the ITQ-39 zeolite
US-9550706-B2 · Jan 24, 2017 · US
B-type iron silicate composition and method for reducing nitrogen oxides
US-9539565-B2 · Jan 10, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J29/72?
- CPC B01J29/72 is the Cooperative Patent Classification code for “containing iron group metals, noble metals or copper.”
- How many patents are filed under CPC B01J29/72 (containing iron group metals, noble metals or copper)?
- Our database includes 196 publications tagged with this CPC code.
- Is patent activity under CPC B01J29/72 growing?
- Publication counts under this code: 6 in 2024 vs 6 in 2025 (latest complete years).